1878474 has 16 divisors (see below), whose sum is σ = 4046112. Its totient is φ = 577968.

The previous prime is 1878463. The next prime is 1878491. The reversal of 1878474 is 4748781.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11964 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (252882).

2^1878474 is an apocalyptic number.

1878474 is an abundant number, since it is smaller than the sum of its proper divisors (2167638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1878474 is a wasteful number, since it uses less digits than its factorization.

1878474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24101.

The product of its digits is 50176, while the sum is 39.

The square root of 1878474 is about 1370.5743321688. The cubic root of 1878474 is about 123.3867133594.

It can be divided in two parts, 1 and 878474, that added together give a triangular number (878475 = T₁₃₂₅).

The spelling of 1878474 in words is "one million, eight hundred seventy-eight thousand, four hundred seventy-four".